All-Time Great Serena Williams to Retire From Tennis After US Open - InsideHook
Barbara Schett - U.S. Open 1999 (Quarter-Finalist) - Austria
Alexandra Stevenson's 1999 Wimbledon Run Remains a Vivid Memory - The New York Times
1999 US Open kickstarted my career' - Serena analyzes most iconic matches
Roland Garros Rewind: First-week shocks
Serena Williams' First Grand Slam Title-Winning Moment | 1999 US Open - YouTube
US Open Moments: Sept. 4, 1999 - Official Site of the 2023 US Open Tennis Championships - A USTA Event
823 Serena Williams 1999 Photos and Premium High Res Pictures - Getty Images
Martina Hingis | Biography, Titles, & Facts | Britannica
Swiss tennis player Martina Hingis, US Open 1999 Stock Photo - Alamy
French tennis player Amelie Mauresmo, Australian Open 1999 Stock Photo - Alamy
Swiss tennis player Martina Hingis, Swisscom Challange, Zurich 1999 Stock Photo - Alamy
Martina Hingis - Australian Open 1999 (Winner) - Switzerland
1999 WTA Tour - Wikipedia
Stevenson topples Raymond in all-American 1999 thriller
tennis-candid-1999 | A Century of Women's Athletics
Full Match Video: Andre Agassi vs. Todd Martin, 1999 US Open men's singles final - Official Site of the 2023 US Open Tennis Championships - A USTA Event